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253 lines
12 KiB
Markdown
253 lines
12 KiB
Markdown
---
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title: "이메일 클라이언트"
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icon: material/email-open
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description: These email clients are privacy-respecting and support OpenPGP email encryption.
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cover: email-clients.webp
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---
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<small>Protects against the following threat(s):</small>
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- [:material-server-network: 서비스 제공자/제공 업체(Service Providers)](basics/common-threats.md#privacy-from-service-providers ""){.pg-teal}
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- [:material-target-account: 표적 공격(Targeted Attacks)](basics/common-threats.md#attacks-against-specific-individuals ""){.pg-red}
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The **email clients** we recommend support both [OpenPGP](encryption.md#openpgp) and strong authentication such as [Open Authorization (OAuth)](https://en.wikipedia.org/wiki/OAuth). OAuth allows you to use [Multi-Factor Authentication](basics/multi-factor-authentication.md) to prevent account theft.
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<details class="warning" markdown>
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<summary>Email does not provide forward secrecy</summary>
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When using end-to-end encryption (E2EE) technology like OpenPGP, email will still have [some metadata](basics/email-security.md#email-metadata-overview) that is not encrypted in the header of the email.
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OpenPGP also does not support [forward secrecy](https://en.wikipedia.org/wiki/Forward_secrecy), which means if either your or the recipient's private key is ever stolen, all previous messages encrypted with it will be exposed: [How do I protect my private keys?](basics/email-security.md) Consider using a medium that provides forward secrecy:
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[Real-time Communication](real-time-communication.md ""){.md-button}
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</details>
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## 크로스 플랫폼
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### Thunderbird
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Thunderbird** is a free, open-source, cross-platform email, newsgroup, news feed, and chat (XMPP, IRC, Matrix) client developed by the Thunderbird community, and previously by the Mozilla Foundation.
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[:octicons-home-16: Homepage](https://thunderbird.net){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://mozilla.org/privacy/thunderbird){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://support.mozilla.org/products/thunderbird){ .card-link title="Documentation" }
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[:octicons-code-16:](https://hg.mozilla.org/comm-central){ .card-link title="Source Code" }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-googleplay: Google Play](https://play.google.com/store/apps/details?id=net.thunderbird.android)
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- [:simple-github: GitHub](https://github.com/thunderbird/thunderbird-android/releases)
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- [:fontawesome-brands-windows: Windows](https://thunderbird.net)
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- [:simple-apple: macOS](https://thunderbird.net)
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- [:simple-linux: Linux](https://thunderbird.net)
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- [:simple-flathub: Flathub](https://flathub.org/apps/details/org.mozilla.Thunderbird)
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</details>
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</div>
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<div class="admonition warning" markdown>
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<p class="admonition-title">Warning</p>
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When replying to someone on a mailing list in Thunderbird Mobile, the "reply" option may also include the mailing list. For more information see [thunderbird/thunderbird-android #3738](https://github.com/thunderbird/thunderbird-android/issues/3738).
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</div>
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#### 권장 설정
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<div class="annotate" markdown>
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We recommend changing some of these settings to make Thunderbird Desktop a little more private.
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These options can be found in :material-menu: → **Settings** → **Privacy & Security**.
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##### Web Content
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- [ ] Uncheck **Remember websites and links I've visited**
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- [ ] Uncheck **Accept cookies from sites** (1)
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</div>
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1. You may need to keep this setting checked when you're logging in to some providers such as Gmail, or via an institution’s SSO. You should uncheck it once you log in successfully.
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##### Telemetry
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- [ ] Uncheck **Allow Thunderbird to send technical and interaction data to Mozilla**
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#### Thunderbird-user.js (고급)
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[`thunderbird-user.js`](https://github.com/HorlogeSkynet/thunderbird-user.js) is a set of configuration options that aims to disable as many of the web-browsing features within Thunderbird Desktop as possible in order to reduce attack surface and maintain privacy. Some of the changes are backported from the [Arkenfox project](desktop-browsers.md#arkenfox-advanced).
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## 개별 플랫폼
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### Apple Mail (macOS)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Apple Mail** is included in macOS and can be extended to have OpenPGP support with [GPG Suite](encryption.md#gpg-suite), which adds the ability to send PGP-encrypted email.
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[:octicons-home-16: Homepage](https://support.apple.com/guide/mail/welcome/mac){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://apple.com/legal/privacy/en-ww){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://support.apple.com/mail){ .card-link title=Documentation}
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</details>
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</div>
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<div class="admonition info" markdown>
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<p class="admonition-title">For those using macOS Sonoma</p>
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Currently, GPG Suite does [not yet](https://gpgtools.com/sonoma) have a stable release for macOS Sonoma.
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</div>
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Apple Mail has the ability to load remote content in the background or block it entirely and hide your IP address from senders on [macOS](https://support.apple.com/guide/mail/mlhl03be2866/mac) and [iOS](https://support.apple.com/guide/iphone/iphf084865c7/ios).
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### FairEmail (Android)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**FairEmail** is a minimal, open-source email app which uses open standards (IMAP, SMTP, OpenPGP) and minimizes data and battery usage.
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[:octicons-home-16: Homepage](https://email.faircode.eu){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://github.com/M66B/FairEmail/blob/master/PRIVACY.md){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://github.com/M66B/FairEmail/blob/master/FAQ.md){ .card-link title="Documentation" }
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[:octicons-code-16:](https://github.com/M66B/FairEmail){ .card-link title="Source Code" }
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[:octicons-heart-16:](https://email.faircode.eu/donate){ .card-link title="Contribute" }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-googleplay: Google Play](https://play.google.com/store/apps/details?id=eu.faircode.email)
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- [:simple-github: GitHub](https://github.com/M66B/FairEmail/releases)
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</details>
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</div>
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### GNOME Evolution (GNOME)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Evolution** is a personal information management application that provides integrated mail, calendaring and address book functionality. Evolution has extensive [documentation](https://help.gnome.org/users/evolution/stable) to help you get started.
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[:octicons-home-16: Homepage](https://wiki.gnome.org/Apps/Evolution){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://wiki.gnome.org/Apps/Evolution/PrivacyPolicy){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://help.gnome.org/users/evolution/stable){ .card-link title="Documentation" }
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[:octicons-code-16:](https://gitlab.gnome.org/GNOME/evolution){ .card-link title="Source Code" }
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[:octicons-heart-16:](https://gnome.org/donate){ .card-link title="Contribute" }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-flathub: Flathub](https://flathub.org/apps/details/org.gnome.Evolution)
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</details>
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</div>
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### Kontact (KDE)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Kontact** is a personal information manager (PIM) application from the [KDE](https://kde.org) project. It provides a mail client, address book, RSS client, and an organizer.
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[:octicons-home-16: Homepage](https://kontact.kde.org){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://kde.org/privacypolicy-apps){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://kontact.kde.org/users){ .card-link title="Documentation" }
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[:octicons-code-16:](https://invent.kde.org/pim/kmail){ .card-link title="Source Code" }
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[:octicons-heart-16:](https://kde.org/community/donations){ .card-link title="Contribute" }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-linux: Linux](https://kontact.kde.org/download)
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- [:simple-flathub: Flathub](https://flathub.org/apps/details/org.kde.kontact)
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</details>
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</div>
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### Mailvelope (브라우저)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Mailvelope** is a browser extension that enables the exchange of encrypted emails following the OpenPGP encryption standard.
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[:octicons-home-16: Homepage](https://mailvelope.com){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://mailvelope.com/privacy-policy){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://mailvelope.com/faq){ .card-link title="Documentation" }
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[:octicons-code-16:](https://github.com/mailvelope/mailvelope){ .card-link title="Source Code" }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-firefoxbrowser: Firefox](https://addons.mozilla.org/firefox/addon/mailvelope)
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- [:simple-googlechrome: Chrome](https://chrome.google.com/webstore/detail/mailvelope/kajibbejlbohfaggdiogboambcijhkke)
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- [:fontawesome-brands-edge: Edge](https://microsoftedge.microsoft.com/addons/detail/mailvelope/dgcbddhdhjppfdfjpciagmmibadmoapc)
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</details>
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</div>
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### NeoMutt (CLI)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**NeoMutt** is an open-source command line email reader for Linux and BSD. It's a fork of [Mutt](https://en.wikipedia.org/wiki/Mutt_(email_client)) with added features.
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NeoMutt is a text-based client that has a steep learning curve. It is, however, very customizable.
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[:octicons-home-16: Homepage](https://neomutt.org){ .md-button .md-button--primary }
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[:octicons-info-16:](https://neomutt.org/guide){ .card-link title=Documentation}
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[:octicons-code-16:](https://github.com/neomutt/neomutt){ .card-link title="Source Code" }
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[:octicons-heart-16:](https://paypal.com/paypalme/russon){ .card-link title=Contribute }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-apple: macOS](https://neomutt.org/distro)
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- [:simple-linux: Linux](https://neomutt.org/distro)
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</details>
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</div>
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## 평가 기준
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**Privacy Guides는 권장 목록의 어떠한 프로젝트와도 제휴를 맺지 않았습니다.** 객관적인 권장 목록을 제공하기 위해, [일반적인 평가 기준](about/criteria.md)에 더해 명확한 요구 사항을 정립하였습니다. 어떠한 프로젝트를 선택해 사용하기 전에, 이러한 요구 사항들을 숙지하고 여러분 스스로 조사하는 과정을 거쳐 적절한 선택을 하시기 바랍니다.
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### 최소 요구 사항
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- Apps developed for open-source operating systems must be open source.
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- Must not collect telemetry, or have an easy way to disable all telemetry.
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- Must support OpenPGP message encryption.
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### 우대 사항
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평가 기준에서 '우대 사항'은 해당 부문에서 완벽한 프로젝트에 기대하는 바를 나타냅니다. 다음의 우대 사항에 해당하지 않더라도 권장 목록에 포함될 수 있습니다. 단, 우대 사항에 해당할수록 이 페이지의 다른 항목보다 높은 순위를 갖습니다.
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- Should be open source.
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- Should be cross-platform.
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- Should not collect any telemetry by default.
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- Should support OpenPGP natively, i.e. without extensions.
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- Should support storing OpenPGP encrypted emails locally.
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